numberOfPositiveRoots(D)
i1 : D=dynkinType{{"A",5},{"E",6}} o1 = DynkinType{{A, 5}, {E, 6}} o1 : DynkinType
i2 : numberOfPositiveRoots(D) o2 = 51
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/WeylGroups.m2:2666:0.